" H6 f6 P( H: P m7 ]; `New crash tests: Underride guards on most big rigs leave passenger vehicle occupants at risk in certain crashes7 H; p& ?( R$ h. {2 K9 Q
9 J, k" O, o, gModern semitrailers for the most part do a good job of keeping passenger vehicles from sliding underneath them, greatly increasing the chances of surviving a crash into the back of a large truck, recent tests by the Insurance Institute for Highway Safety (IIHS) show. But in crashes involving only a small portion of the truck's rear, most trailers fail to prevent potentially deadly underride.
. w1 a% ` h6 j" s2012 BMW 3 series 40 mph small overlap front test ' M4 D: f3 W* {9 c0 T 1 e$ j5 |( y$ c) [& WOverall evaluation: Marginal ( S0 L; ^% B; a {+ C2 N" I/ v z' S+ X) [' H